Methemoglobin

Test Name
Methemoglobin
Aliases
METB; METHB/TOTAL HEMOGLOBIN
Provincial Mnemonic
MHBTHBA
LOINC Test Code
2615-3
Description and Primary Use
Methemoglobin is a form of metalloprotein hemoglobin, in which the iron in the heme group is in the Fe3+ (ferric) state, not the Fe2+ (ferrous) of normal hemoglobin. Methemoglobin cannot bind oxygen, which means it cannot carry oxygen to tissues.
Reorder interval
Not yet defined
TAT
≤ 60 Minutes (STAT)
Test Cost
Not Available
Tier
1 - General Availability
Ordering Requirements (Restrictions / Conditions)

No Restrictions

Required Consultations
None
Algorithms and Guidelines

None

Special Patient Preparation

None

Special Collection / Transport / Processing Requirements

No special requirement

Criteria for Rejection

Based on specimen condition and stability

Laboratory Service Area
Clinical Chemistry
Performing Laboratory / Site
Category 3 and 4 Laboratoratories
Last Updated
09-Sep-19